Health secretary Andy Burnham has said warnings issued in the past to deter pregnant women from travelling during outbreaks related to bird flu, a much more severe form of the virus.

If you're travelling to another country within the EU before you finally leave the EU, then you must show your goods and refund form to customs officials in that country when you leave it.

If you're travelling outside the EU, you must show your goods and your refund form to UK customs staff at the airport you're leaving from.